Rein BMW Coolant & Radiator Hoses

OEM Rein Expansion Tank Hose - E53 X5 N62 4.4L 4.8L

2X Entries Into Our F80 M3 Sweepstakes

T#:379797

Part#: 17127509966

Ships in 4 Business Days

Sale - Save 5% $ 32.99

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08-31-2026

$ 31.34 USD

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Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.

Fits the following BMWs:
2003+ E53 BMW X5 N62 4.4L 4.8L

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Rein Expansion Tank Return Hose - E60, E61

2X Entries Into Our F80 M3 Sweepstakes

T#:591993

Part#: 17127519258

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$ 54.14 USD

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Connects between the top of the radiator and the bottom of the expansion tank

OEM Rein Coolant Supply Hose - BMW E60 525i 530i M54

2X Entries Into Our F80 M3 Sweepstakes

T#:340691

Part#: 17127519255

In Stock at Vendor

Sale - Save 5% $ 66.28

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08-31-2026

$ 62.97 USD

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Attaches between upper radiator connection radiator and the thermostat housing

Cool Retrun Hose

2X Entries Into Our F80 M3 Sweepstakes

T#:379713

Part#: 17127540666

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08-31-2026

$ 76.94 USD

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Connects to the radiator

Rein Water Hose - Water Hose To Thermostat Inlet

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T#:17738370

Part#: 11537589949

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$ 43.69 USD

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Prevents leaks and comebacks from reusing old quick connects and o-rings.

OEM Rein Coolant Expansion Tank Hose - BMW G01 G02 Gen1 B46

2X Entries Into Our F80 M3 Sweepstakes

T#:45757473

Part#: 17127535536

Back Ordered

Sale - Save 8% $ 76.00

This product was last offered at the strikethrough price on
05-15-2026

$ 70.20 USD

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This hose connects the heat management module to the expansion tank's lower port. If your coolant expansion tank hose is cracked or leaking, replace it early to prevent further coolant loss and eventual overheating.

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BMW Radiator Hose - 11531705224

2X Entries Into Our F80 M3 Sweepstakes

T#:46719192

Part#: CHK0005

In Stock at Vendor

Sale - Save 5% $ 43.99

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08-31-2026

$ 41.79 USD

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Keep your cooling system sealed, strong, and ready for anything with this Rein radiator hose—your all-in-one fix for cracked, leaking, or worn factory hoses. Years of heat, pressure, and age can cause rubber to weaken, split, or swell, setting the stage for coolant leaks and potential overheating. Rein hoses are engineered to meet or exceed OEM standards, built from premium, heat-resistant materials that can take on extreme temperatures and system pressures without faltering. Each hose features factory-correct bends, fittings, and diameters for an exact, hassle-free installation—no cutting or forcing required. Whether you’re tackling a full cooling system refresh or chasing down a small coolant leak, this Rein kit provides everything needed to restore confidence and performance under the hood. Why choose this Rein radiator hose: Factory-level precision – Direct-fit replacements that deliver OEM-quality reliability. Built to last – Resists cracking, swelling, and chemical damage from daily heat cycling. Confidence restored – Prevents coolant loss, overheating, and on-road breakdowns. All-in-one upgrade – Includes upper and lower hoses for a complete system refresh. If keeping your BMW’s cooling system running tight and trouble-free is the goal, Rein brings the dependable quality and fitment you can count on—engineered to perform just like factory, mile after mile.

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BMW Radiator Hose Kit - 17127509963

2X Entries Into Our F80 M3 Sweepstakes

T#:46719193

Part#: CHK0032P

Ships in 4 Business Days

Sale - Save 6% $ 76.99

This product was last offered at the strikethrough price on
08-31-2026

$ 72.66 USD

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Keep your cooling system sealed, strong, and ready for anything with this Rein radiator hose kit—your all-in-one fix for cracked, leaking, or worn factory hoses. Years of heat, pressure, and age can cause rubber to weaken, split, or swell, setting the stage for coolant leaks and potential overheating. Rein hoses are engineered to meet or exceed OEM standards, built from premium, heat-resistant materials that can take on extreme temperatures and system pressures without faltering. Each hose features factory-correct bends, fittings, and diameters for an exact, hassle-free installation—no cutting or forcing required. Whether you’re tackling a full cooling system refresh or chasing down a small coolant leak, this Rein kit provides everything needed to restore confidence and performance under the hood. Why choose this Rein radiator hose kit: Factory-level precision – Direct-fit replacements that deliver OEM-quality reliability. Built to last – Resists cracking, swelling, and chemical damage from daily heat cycling. Confidence restored – Prevents coolant loss, overheating, and on-road breakdowns. All-in-one upgrade – Includes upper and lower hoses for a complete system refresh. If keeping your BMW’s cooling system running tight and trouble-free is the goal, Rein brings the dependable quality and fitment you can count on—engineered to perform just like factory, mile after mile.

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OEM Rein Coolant Line - E38

2X Entries Into Our F80 M3 Sweepstakes

T#:379758

Part#: 64218377662

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$ 15.19 USD

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Runs from the right heater core to the water valve. Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

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Coolant Hose from Expansion Tank - E36

2X Entries Into Our F80 M3 Sweepstakes

T#:6964

Part#: 11531730351

Ships in 2 Business Days

Sale - Save 5% $ 18.79

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08-31-2026

$ 17.85 USD

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This coolant hose connects the water hose part #11531738053 to the radiator coolant expansion tank.Fits E36 3 series with M50, S50 or S52 engine.

This item fits the following BMWs:
1992-1998 E36 BMW 325i 325is 325ic M3

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Water Hose

2X Entries Into Our F80 M3 Sweepstakes

T#:594317

Part#: 17127560974

Ships in 4 Business Days

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$ 36.09 USD

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Radiator to Auto Trans Oil Cooler

Radiator Hose - Radiator To Thermostat Housing

2X Entries Into Our F80 M3 Sweepstakes

T#:594376

Part#: 17127610704

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Sale - Save 41% $ 31.99

This product was last offered at the strikethrough price on
08-13-2026

$ 18.99 USD

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Replacement Radiator Hose - Radiator To Thermostat Housing from Rein

Rein Water Pipe With O-Rings

2X Entries Into Our F80 M3 Sweepstakes

T#:17704768

Part#: 11537519710

Ships in 4 Business Days

Sale - Save 5% $ 46.99

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08-31-2026

$ 44.64 USD

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Water pipes are essential for proper cooling. If they are cracked, they are going to need to be replaced as soon as possible to avoid overheating your engine.

BMW Radiator Hose Kit - 17127519257

2X Entries Into Our F80 M3 Sweepstakes

T#:46719182

Part#: CHK0033

Ships in 4 Business Days

Sale - Save 5% $ 66.99

This product was last offered at the strikethrough price on
08-31-2026

$ 63.39 USD

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Keep your cooling system sealed, strong, and ready for anything with this Rein radiator hose kit—your all-in-one fix for cracked, leaking, or worn factory hoses. Years of heat, pressure, and age can cause rubber to weaken, split, or swell, setting the stage for coolant leaks and potential overheating. Rein hoses are engineered to meet or exceed OEM standards, built from premium, heat-resistant materials that can take on extreme temperatures and system pressures without faltering. Each hose features factory-correct bends, fittings, and diameters for an exact, hassle-free installation—no cutting or forcing required. Whether you’re tackling a full cooling system refresh or chasing down a small coolant leak, this Rein kit provides everything needed to restore confidence and performance under the hood. Why choose this Rein radiator hose kit: Factory-level precision – Direct-fit replacements that deliver OEM-quality reliability. Built to last – Resists cracking, swelling, and chemical damage from daily heat cycling. Confidence restored – Prevents coolant loss, overheating, and on-road breakdowns. All-in-one upgrade – Includes upper and lower hoses for a complete system refresh. If keeping your BMW’s cooling system running tight and trouble-free is the goal, Rein brings the dependable quality and fitment you can count on—engineered to perform just like factory, mile after mile.

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OEM Rein Lower Radiator Hose - M42 E30 318i/is

2X Entries Into Our F80 M3 Sweepstakes

T#:6952

Part#: 11531717620

In Stock at Vendor

Sale - Save 5% $ 16.99

This product was last offered at the strikethrough price on
08-31-2026

$ 16.14 USD

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$ 16.99

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Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure. This hose replaces the lower radiator hose that connects from the radiator outlet to the thermostat housing.

OEM Rein radiator hoses are always a perfect option when performing maintenance thanks to their high quality and longevity.

This item fits the following BMWs:
E30 BMW 318i, 318i Convertible, 318is

Fits BMW Engines including:
M42

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BMW Radiator Hose Kit - 11537500750

2X Entries Into Our F80 M3 Sweepstakes

T#:46753499

Part#: CHK0030R

Ships in 4 Business Days

Sale - Save 6% $ 50.99

This product was last offered at the strikethrough price on
08-31-2026

$ 48.03 USD

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Keep your cooling system sealed, strong, and ready for anything with this Rein radiator hose kit—your all-in-one fix for cracked, leaking, or worn factory hoses. Years of heat, pressure, and age can cause rubber to weaken, split, or swell, setting the stage for coolant leaks and potential overheating. Rein hoses are engineered to meet or exceed OEM standards, built from premium, heat-resistant materials that can take on extreme temperatures and system pressures without faltering. Each hose features factory-correct bends, fittings, and diameters for an exact, hassle-free installation—no cutting or forcing required. Whether you’re tackling a full cooling system refresh or chasing down a small coolant leak, this Rein kit provides everything needed to restore confidence and performance under the hood. Why choose this Rein radiator hose kit: Factory-level precision – Direct-fit replacements that deliver OEM-quality reliability. Built to last – Resists cracking, swelling, and chemical damage from daily heat cycling. Confidence restored – Prevents coolant loss, overheating, and on-road breakdowns. All-in-one upgrade – Includes upper and lower hoses for a complete system refresh. If keeping your BMW’s cooling system running tight and trouble-free is the goal, Rein brings the dependable quality and fitment you can count on—engineered to perform just like factory, mile after mile.

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Water Hose - Thermostat Hose To Expansion Tank

2X Entries Into Our F80 M3 Sweepstakes

T#:594318

Part#: 17127624676

In Stock at Vendor

Sale - Save 5% $ 39.99

This product was last offered at the strikethrough price on
08-31-2026

$ 37.99 USD

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Replacement water hose from Rein

Rein Coolant Hose - E70

2X Entries Into Our F80 M3 Sweepstakes

T#:591811

Part#: 11537547244

Ships in 4 Business Days

Sale - Save 5% $ 40.99

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08-31-2026

$ 38.94 USD

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Coolant hose that runs from the inlet to thermostat

Rein Water Pump to Thermostat Hose - E70

2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

T#:591813

Part#: 11537550062

Ships in 4 Business Days

Sale - Save 5% $ 41.99

This product was last offered at the strikethrough price on
08-31-2026

$ 39.83 USD

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Replace your leaking hose with this direct-fit option from Rein

Rein Coolant Return Hose - E60

2X Entries Into Our F80 M3 Sweepstakes

T#:591987

Part#: 17127519249

Ships in 4 Business Days

Sale - Save 5% $ 55.99

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$ 53.19 USD

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Attaches from radiator to water pump inlet

OEM Rein Heater Coolant Hose - E53

2X Entries Into Our F80 M3 Sweepstakes

T#:12845

Part#: 64218409063

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Sale - Save 5% $ 10.99

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$ 10.44 USD

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Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

OEM Rein Coolant Supply Hose - E38 740i/il

2X Entries Into Our F80 M3 Sweepstakes

T#:379736

Part#: 64218371386

Ships in 2 Business Days

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$ 10.44 USD

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Runs from the water valve to the Right heater core inlet. Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

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Expansion Tank Vent Hose

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T#:379672

Part#: 17127508013

Ships in 4 Business Days

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$ 57.94 USD

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A commonly leaking hose

Rein Radiator Hose - Lower - Z4

2X Entries Into Our F80 M3 Sweepstakes

T#:386347

Part#: 17127535591

In Stock at Vendor

Sale - Save 5% $ 59.99

This product was last offered at the strikethrough price on
08-31-2026

$ 56.99 USD

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Keep your cooling system leak free

Coolant hose

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T#:593459

Part#: 64218390355

Ships in 4 Business Days

Sale - Save 5% $ 13.99

This product was last offered at the strikethrough price on
08-31-2026

$ 13.29 USD

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$ 13.99

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Water Hose - Expansion Tank to Radiator (Vent Hose) F10 528i ...

2X Entries Into Our F80 M3 Sweepstakes

T#:34080754

Part#: 17127578405

Ships in 4 Business Days

Sale - Save 5% $ 47.99

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08-31-2026

$ 45.59 USD

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Water Hose - Expansion Tank to Radiator (Vent Hose) is an essential component for maintaining the proper function of your BMW’s cooling system. This high-quality hose ensures efficient coolant flow between the expansion tank and radiator, preventing overheating and reducing the risk of coolant leaks. Designed to meet or exceed OEM specifications, the Water Hose - Expansion Tank to Radiator (Vent Hose) provides a perfect fit for reliable, long-lasting performance. Available through Turner Motorsport, this hose is a direct-fit replacement that ensures seamless installation and superior engine cooling.

Specifically engineered for BMW models to guarantee a perfect fit
Ensures proper coolant flow between the expansion tank and radiator
Prevents overheating and reduces the risk of coolant leaks
Made from durable, heat-resistant materials for long-lasting performance
Direct-fit replacement for easy installation without modifications
Meets or exceeds OEM specifications for reliable performance

Upgrade your BMW’s cooling system with the Water Hose - Expansion Tank to Radiator (Vent Hose), ensuring optimal engine performance and protection against overheating.

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OEM Rein Coolant Hose - E53 X5

2X Entries Into Our F80 M3 Sweepstakes

T#:379748

Part#: 64218409064

Ships in 4 Business Days

Sale - Save 5% $ 12.99

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08-31-2026

$ 12.34 USD

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Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

OEM Rein Oil Cooler Coolant Hose - E70 X5 xDrive30i

2X Entries Into Our F80 M3 Sweepstakes

T#:583589

Part#: 11537609944

Ships in 4 Business Days

Sale - Save 5% $ 33.99

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08-31-2026

$ 32.29 USD

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Coolant hose that runs from the inlet to thermostat. Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

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Rein Engine Coolant Hose - BMW G11, G30 5

2X Entries Into Our F80 M3 Sweepstakes

T#:52516262

Part#: CHE0993

Ships in 4 Business Days

Sale - Save 5% $ 64.99

This product was last offered at the strikethrough price on
08-31-2026

$ 61.74 USD

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Restore your cooling system’s integrity with the Rein CHE0993 Engine Coolant Hose.

OEM Rein Upper Radiator Hose - E39 528i (up to 09/1998)

2X Entries Into Our F80 M3 Sweepstakes

T#:349033

Part#: 11531740832

Ships in 2 Business Days

Sale - Save 5% $ 17.99

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$ 17.09 USD

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Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

Coolant Hose

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T#:57616350

Part#: 11537643177

Ships in 4 Business Days

Sale - Save 6% $ 64.99

This product was last offered at the strikethrough price on
08-31-2026

$ 61.32 USD

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Maintain maximum thermal efficiency on the track or the street with this precision-engineered turbocharger coolant line by Rein.

Coolant Hose

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T#:57616346

Part#: 17128620944

Ships in 4 Business Days

Sale - Save 6% $ 43.99

This product was last offered at the strikethrough price on
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$ 41.37 USD

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Keep your European powertrain running at optimal operating temperatures with a high-grade coolant hose replacement.

Water Hose

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T#:57616352

Part#: 17127599452

Ships in 4 Business Days

Sale - Save 6% $ 63.99

This product was last offered at the strikethrough price on
08-31-2026

$ 60.06 USD

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$ 63.99

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Rein Automotive cooling hoses are designed as precision OEM-quality replacements that withstand the rigorous demands of hard driving.

Lower Radiator Hose To Thermostat Housing

2X Entries Into Our F80 M3 Sweepstakes

T#:592167

Part#: 17122754247

Ships in 4 Business Days

Sale - Save 5% $ 70.99

This product was last offered at the strikethrough price on
08-31-2026

$ 67.44 USD

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$ 70.99

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Rein Radiator Hose - Lower - E36

2X Entries Into Our F80 M3 Sweepstakes

T#:348769

Part#: 11531726344

In Stock

Sale - Save 17% $ 15.99

This product was last offered at the strikethrough price on
07-07-2026

$ 13.29 USD

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$ 15.99

This product was last offered at the strikethrough price on
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Replace your radiator hose before a blown hose leaves you stranded.

Lower Radiator Coolant Hose

2X Entries Into Our F80 M3 Sweepstakes

T#:594374

Part#: 17127639213

Ships in 4 Business Days

Sale - Save 31% $ 51.99

This product was last offered at the strikethrough price on
08-13-2026

$ 36.09 USD

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$ 51.99

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Replacement Lower Radiator Coolant Hose from Rein

Rein Coolant Hose - E36

2X Entries Into Our F80 M3 Sweepstakes

T#:35875

Part#: 11531703844

Ships in 1-2 days

Sale - Save 5% $ 9.17

This product was last offered at the strikethrough price on
08-31-2026

$ 8.71 USD

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$ 9.17

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$ 8.71 USD

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BMW HOSE F RADIATOR AND ENGINE R

Upper Radiator Hose - Short Section

2X Entries Into Our F80 M3 Sweepstakes

T#:596958

Part#: 17122754224

Ships on Sep 21, 2026

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Rein Coolant Overflow Hose

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T#:19458

Part#: 17111427156

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$ 4.84 USD

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Rein Coolant Overflow Hose is designed to meet the highest standards of performance and durability for your vehicle's cooling system. This high-quality hose ensures the proper transfer of excess coolant from the engine to the overflow reservoir, preventing overheating and ensuring optimal engine performance. Manufactured from reinforced rubber materials, the Rein Coolant Overflow Hose guarantees long-lasting reliability and precise fitment for various vehicle makes and models. It’s the perfect upgrade or replacement for worn-out hoses in any cooling system.

Available through Turner Motorsport, this coolant overflow hose is rigorously tested to withstand extreme temperatures, pressures, and daily use. If you’re looking to maintain or improve your car's cooling efficiency, the Rein Coolant Overflow Hose is an essential component.

Precision engineered for a perfect fit
Manufactured from durable, reinforced rubber
Designed to withstand high temperatures and pressures
Improves cooling system efficiency and prevents overheating
Easy installation with OE-spec dimensions
Available at Turner Motorsport, trusted for automotive parts

Enhance your vehicle's performance and reliability by replacing your old coolant hose with the Rein Coolant Overflow Hose today.

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Coolant Hose - Lower

2X Entries Into Our F80 M3 Sweepstakes

T#:596952

Part#: 17127535899

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$ 7.13 USD

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Rein Coolant Hose - E39

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T#:379777

Part#: 64218391003

Special Order: No Guaranteed ETA

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$ 30.39 USD

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Hose that runs from the engine block to the water valve. Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

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Coolant Hose

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T#:379702

Part#: 17127508014

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$ 24.69 USD

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This is the return hose that attaches from the water pump to the radiator

OEM Rein Coolant Expansion Tank Overflow Hose - BMW F25 X3, F26 X4 N5...

2X Entries Into Our F80 M3 Sweepstakes

T#:45757476

Part#: 17128651298

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$ 29.89 USD

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This hose connects the expansion tank to the upper radiator hose. If your coolant expansion tank hose is cracked or leaking, replace it early to prevent further coolant loss and eventual overheating.

Rein Turbo Coolant Hose - F22/23, F30/34, F32/33, F36, G01, G02, G11,...

2X Entries Into Our F80 M3 Sweepstakes

T#:53856297

Part#: 11538611277

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$ 42.27 USD

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Rein Automotive Turbo Hoses are engineered to meet these rigorous standards, utilizing premium, OE-quality materials specifically formulated to withstand the extreme duty cycles of modern forced-induction systems.

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Rein Coolant Return Pipe - N62 N73

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T#:386411

Part#: 11511439976

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$ 13.29 USD

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This is the coolant return pipe on the back of the water pump on the N62 and N73 engines used in the E53 X5, E60 545/550, E63 645/650, E65 745/750, E70 X5, and F02 750. This pipe connects the water pump to the valley pan and it's a compression fitting (no o-rings). Whenever the water pump or valley pan are replaced this tube should also be replaced. This is one area where you don't want to go back and re-do your work because of a leaking fitting! In German, Rein means Pure. In the automotive industry the Rein name has quickly come to represent quality. With fitments for some of the worldaEURtms finest automobiles including BMW and Mini and guaranteed OE quality, Rein is a name you can trust.

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Upper Radiator Hose

2X Entries Into Our F80 M3 Sweepstakes

T#:12806792

Part#: 17129802110

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$ 50.34 USD

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Rein Heater Hose - E32, E34

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T#:20514

Part#: 64211390935

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HOSE F WATER VALVE AND LEFT 64211390935 Manufactured by CRP

Rein - Radiator Expansion Tank Vent Line Hose - F10 528i, F10 528iX ...

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T#:34080737

Part#: 17128651450

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$ 54.62 USD

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Radiator Expansion Tank Vent Line Hose is an essential component designed to maintain the proper functioning of your BMW’s cooling system. This high-quality hose ensures that excess pressure is properly vented from the radiator expansion tank, helping to prevent overheating and coolant leaks. Built to meet or exceed OEM standards, the Radiator Expansion Tank Vent Line Hose offers a direct-fit solution for reliable and efficient performance. Available through Turner Motorsport, this hose ensures long-lasting durability and a seamless installation process.

Designed specifically for BMW models, ensuring perfect fit and compatibility
Helps regulate pressure within the radiator expansion tank, preventing overheating
Reduces the risk of coolant leaks and engine damage
Manufactured from durable, heat-resistant materials for long-lasting performance
Easy, direct-fit replacement for hassle-free installation
Meets or exceeds OEM specifications for superior reliability and efficiency

Upgrade your BMW’s cooling system with the Radiator Expansion Tank Vent Line Hose to ensure optimal engine performance and prevent costly repairs.

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OEM Rein Coolant Supply Hose - E65 E66

2X Entries Into Our F80 M3 Sweepstakes

T#:375745

Part#: 17127508010

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$ 128.24 USD

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Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

OEM Rein Coolant Expansion Tank Hose - BMW G01 G02 Gen1 B46

2X Entries Into Our F80 M3 Sweepstakes

T#:45757474

Part#: 17127535528

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$ 49.14 USD

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This hose connects the cylinder head to the expansion tank's upper port. If your coolant expansion tank hose is cracked or leaking, replace it early to prevent further coolant loss and eventual overheating.

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